X-Git-Url: https://review.openocd.org/gitweb?p=openocd.git;a=blobdiff_plain;f=src%2Ftarget%2Fregister.c;h=1d63e12f70bd83b719171e0160e8d25d80eedae0;hp=d9ef53e31f0e43a2929bf8fd6aa22bffb57b51dd;hb=f19ac83152b54a204b8148815a538d868973e1e1;hpb=f4788652e45662d1e43933dc0620561bc4cddae0
diff --git a/src/target/register.c b/src/target/register.c
index d9ef53e31f..1d63e12f70 100644
--- a/src/target/register.c
+++ b/src/target/register.c
@@ -16,29 +16,34 @@
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
- * along with this program; if not, write to the *
- * Free Software Foundation, Inc., *
- * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
+ * along with this program. If not, see . *
***************************************************************************/
+
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
-#include "types.h"
#include "register.h"
-#include "log.h"
+#include
+/**
+ * @file
+ * Holds utilities to work with register caches.
+ *
+ * OpenOCD uses machine registers internally, and exposes them by name
+ * to Tcl scripts. Sets of related registers are grouped into caches.
+ * For example, a CPU core will expose a set of registers, and there
+ * may be separate registers associated with debug or trace modules.
+ */
-struct reg* register_get_by_name(struct reg_cache *first,
+struct reg *register_get_by_name(struct reg_cache *first,
const char *name, bool search_all)
{
- int i;
+ unsigned i;
struct reg_cache *cache = first;
- while (cache)
- {
- for (i = 0; i < cache->num_regs; i++)
- {
+ while (cache) {
+ for (i = 0; i < cache->num_regs; i++) {
if (strcmp(cache->reg_list[i].name, name) == 0)
return &(cache->reg_list[i]);
}
@@ -52,7 +57,7 @@ struct reg* register_get_by_name(struct reg_cache *first,
return NULL;
}
-struct reg_cache** register_get_last_cache_p(struct reg_cache **first)
+struct reg_cache **register_get_last_cache_p(struct reg_cache **first)
{
struct reg_cache **cache_p = first;
@@ -65,6 +70,25 @@ struct reg_cache** register_get_last_cache_p(struct reg_cache **first)
return cache_p;
}
+void register_unlink_cache(struct reg_cache **cache_p, const struct reg_cache *cache)
+{
+ while (*cache_p && *cache_p != cache)
+ cache_p = &((*cache_p)->next);
+ if (*cache_p)
+ *cache_p = cache->next;
+}
+
+/** Marks the contents of the register cache as invalid (and clean). */
+void register_cache_invalidate(struct reg_cache *cache)
+{
+ struct reg *reg = cache->reg_list;
+
+ for (unsigned n = cache->num_regs; n != 0; n--, reg++) {
+ reg->valid = 0;
+ reg->dirty = 0;
+ }
+}
+
static int register_get_dummy_core_reg(struct reg *reg)
{
return ERROR_OK;